hire someone to do a cost benefit analysis to present to a client whom I am trying to sell our recruiting service

I am looking for an experienced freelancer to do a cost benefit analysis to present to a client for whom I am trying to sell our recruiting service. The expected outcome of this analysis is to show the value of the recruiting service, and the analysis should be conducted with partial data at a moderate level of detail. The ideal candidate is knowledgeable of not only the process of doing a cost benefit analysis, but also is familiar with the types of information to gather and the insights to eventually share with the client. The desired end result is to create a persuasive presentation that details the cost savings and value of our recruiting service. Additionally, this analysis should be able to identify areas for improvement if necessary.